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428740962680 = 23535929856613
BaseRepresentation
bin1100011110100101111…
…00111110100101111000
31111222122200202112212002
412033102330332211320
524011030141301210
6524543314440132
742655413024062
oct6172274764570
91458580675762
10428740962680
11155912107018
126b114593048
1331578c0b234
1416a73310732
15b244c244a5
hex63d2f3e978

428740962680 has 32 divisors (see below), whose sum is σ = 967354293600. Its totient is φ = 171018673536.

The previous prime is 428740962677. The next prime is 428740962697. The reversal of 428740962680 is 86269047824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14913947 + ... + 14942666.

It is an arithmetic number, because the mean of its divisors is an integer number (30229821675).

Almost surely, 2428740962680 is an apocalyptic number.

428740962680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

428740962680 is an abundant number, since it is smaller than the sum of its proper divisors (538613330920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428740962680 is a wasteful number, since it uses less digits than its factorization.

428740962680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29856983 (or 29856979 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 428740962680 in words is "four hundred twenty-eight billion, seven hundred forty million, nine hundred sixty-two thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 359 718 1436 1795 2872 3590 7180 14360 29856613 59713226 119426452 149283065 238852904 298566130 597132260 1194264520 10718524067 21437048134 42874096268 53592620335 85748192536 107185240670 214370481340 428740962680